In filex nor flash driver, current_driver->initialized is set to FX_TRUE after FX_DRIVER_INIT, but this state is not set to FX_FALSE in FX_DRIVER_UNINIT, here is the code:
https://github.com/STMicroelectronics/x-cube-azrtos-h7/blob/437ec3bb3455a26c535de52f0fc7f553c739acb7/Middlewares/ST/filex/common/drivers/fx_stm32_levelx_nor_driver.c#L135C1-L139C1
Is it a bug or by design?